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108120 (2001 GT4)
Classification: Main-belt Asteroid          SPK-ID: 2108120
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2582637543863133 4.1077e-08  
a 2.437286468175316 1.2701e-08 au
q 1.807823714389401 9.8907e-08 au
i 16.6451329603675 5.0374e-06 deg
node 47.1676713715029 1.996e-05 deg
peri 19.16940978772271 2.3891e-05 deg
M 103.4171129140335 1.5839e-05 deg
tp 2458601.246987717396
(2019-Apr-27.74698772)
5.9038e-05 TDB
period 1389.819154410307
3.81
1.0864e-05
2.974e-08
d
yr
n .2590265063318588 2.0248e-09 deg/d
Q 3.066749221961231 1.5982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2272  
   data-arc span      7561 days (20.70 yr)  
   first obs. used      1999-10-01  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34252  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:31:20  

Additional Information
 Earth MOID = .827131 au 
 Jupiter MOID = 2.32474 au 
 T_jup = 3.402 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456953.5 (2014-Oct-23.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2567569742787484 4.0958e-08  
q 1.812609993339128 9.8461e-08 au
tp 2457210.788691254856
(2015-Jul-07.28869125)
5.317e-05 TDB
node 47.21500809738949 1.9983e-05 deg
peri 19.19881858972184 2.397e-05 deg
i 16.63001825084729 5.0335e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2272  
   data-arc span      7561 days (20.70 yr)  
   first obs. used      1999-10-01  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34252  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:31:20  

Additional Information
 Jupiter MOID = 2.32474 au 
 T_jup = 3.402 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.677593828317232E-15 -4.014964002110601E-15 1.165101369695055E-13 9.990167220092106E-16 -5.697058710821808E-14 -1.175682793513495E-15
q -4.014964002110601E-15 9.694551352078672E-15 -2.146458406832597E-14 -1.869022836723792E-15 1.957133028996668E-13 1.666123536588936E-15
tp 1.165101369695055E-13 -2.146458406832597E-14 2.827090016844964E-9 -7.097521229655638E-12 7.335853577271318E-10 -1.1483228134399E-11
node 9.990167220092106E-16 -1.869022836723792E-15 -7.097521229655638E-12 3.993102734784451E-10 -3.84181053027019E-10 -3.791693122348825E-11
peri -5.697058710821808E-14 1.957133028996668E-13 7.335853577271318E-10 -3.84181053027019E-10 5.745669400371734E-10 3.344739395985157E-11
i -1.175682793513495E-15 1.666123536588936E-15 -1.1483228134399E-11 -3.791693122348825E-11 3.344739395985157E-11 2.533603119211128E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO412766  
diameter diameter 3.863 km 0.723 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.326   0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108120 (2001 GT4)          Discovered 2001-Apr-15 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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